A Proton and an Electron Are Accelerated Until Their Total

question 12

Multiple Choice

A proton and an electron are accelerated until their total energy is twice their rest masses. If the rest mass of the proton is M_pc² = 931 MeV and that of the electron is M_ec² = 0.51 MeV, the ratio of the velocity of the electron to that of the proton is

• A) 0.5.
• B) 1.0.
• C) 1.5.
• D) 2.0.
• E) Not enough data are given.

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Definitions:

Bloomer

A type of women's clothing that emerged in the mid-19th century, featuring ankle-length trousers gathered at the hem, part of a dress reform movement.

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Garments designed with a specific purpose or function in mind, such as protective wear, sports gear, or weather-appropriate clothing.